Standard Delivery Time Most orders are delivered within 2-3 business days.
Exceptions may apply. UPS does not deliver packages on weekends. USPS may deliver on Saturday.

Next Day DeliveryNext Day Delivery is available for most products at an additional charge.
If you are interested in Next Day Delivery you must place your order via telephone.

Shipping Destinations We ship to all 50 states, as well as US territories and military APO/FPO addresses.
Sorry, we do not ship internationally.

Split Shipments Orders containing products from multiple manufacturers may be shipped separately.
There may be other instances where this may occur as well.

P.O. Boxes UPS does not deliver to P.O. boxes. You must provide us with a physical address for delivery.

Heat Sensitive and Perishable Items If needed, orders containing heat sensitive products may be shipped
with ice packs at no additional cost. It is normal for ice packs to melt in transit, but this will not affect the integrity of the product.
Heat sensitive and perishable products are usually shipped Monday through Wednesday only. Both heat sensitive and perishable items are not
eligible for returns. For more information, view our Return Policy.
A symbol will be displayed in your shopping cart indicating any heat sensitive or perishable items.

Backorders We do our best to stay on top of our inventory, but occasionally backorders may occur.
In this case, we will notify you of the situation via email and/or phone and ship out any backordered items as soon as they become available.

Tracking Information After you place an order, you will receive a confirmation via email.
Once your package ships, you will receive another email with a link to track your order. If your order is sent in more than one shipment,
you may receive more than one tracking number. If you do not receive a tracking number, feel free to
Contact Us.

FUNCTIONSVitamin C (ascorbic acid) has numerous biological functions. Foremost, it is essential for the synthesis of collagen and glycosaminoglycans which are the building materials of all connective tissues, such as skin, blood vessels, tendons, joint cartilage and bone. Vitamin C is the required coenzyme for two groups of enzymes that catalyze the crosslinking of collagen fibers - lysyl hydroxylases and prolyl hydroxylases. As such, vitamin C is essential for normal wound healing and capillary health. It also participates in the biosynthesis of carnitine, serotonin, and certain neurotransmitters, including norepinephrine. Vitamin C is among the most powerful antioxidants in humans and animals. It is a water-soluble, chainbreaking antioxidant that reacts directly with superoxide, hydroxyl radicals, and singlet oxygen. Laboratory studies show that vitamin C completely protects lipids in plasma and low-density lipoprotein (LDL) against atherogenic peroxidative damage. In addition, vitamin C interacts with glutathione and alpha-lipoic acid, and regenerates vitamin E. The antioxidant functions of vitamin C appear to have clinical significance in providing protection from free radical damage to the eyes, lungs, blood and the immune system. Vitamin C is absorbed in the small intestine by a sodium-dependent transport process that is intake dependent. At normal dietary intakes of 60 to 100 mg, up to 80 or 90% of the vitamin C is absorbed. At higher intakes, absorption becomes less efficient. Absorption efficiency and vitamin C utilization may be greatly enhanced during conditions of physiological stress, such as trauma or infection. Bioflavonoids (also called flavonoids) are a class of phytochemicals that are potent antioxidants, which scavenge many potentially damaging free radicals. Another aspect of the antioxidant properties of bioflavonoids is their synergy with vitamin C, as well as their ability to bind to metal ions, preventing these metals from catalyzing enhanced free radical production. Many bioflavonoids support the health of the body’s circulatory system by helping maintain capillary blood flow and proper vascular permeability, integrity, and resiliency.

INDICATIONSNatural C 1,000 mg tablets may be a useful dietary supplement for those who wish to increase their daily intake of this important antioxidant vitamin together with a bioflavonoid complex.

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